Business Green: The German parliament yesterday approved long-expected cuts to solar energy incentives prompting US shares in solar companies to tumble amid fears that demand from one of the world’s largest markets for soalr panels will now fall. The Bundestag voted in favour of a 16 per cent cut to feed-in tariff incentives for solar rooftop installations, as well as an 11 per cent reduction in incentives for solar installations on conversion sites and the scrapping of support for solar …